TRTU has provided GRTU with an update on the project, as well as a copy of the agreement with the New Mexico Department of Fish and Game to conduct this NEPA study. This update and the NEPA study agreement can be found here:

We may be able to learn some things about the conservation process, and gaining the necessary approvals, but watching TRTU as they go through the process.

As pointed out in the project update, funding for the actual construction of the barrier is easier to come by through various project grants, than was the funding for the NEPA study needed to approve the barrier.